20113304 has 8 divisors (see below), whose sum is σ = 37712460. Its totient is φ = 10056648.

The previous prime is 20113273. The next prime is 20113319. The reversal of 20113304 is 40331102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257074 + ... + 1257089.

Almost surely, 2^20113304 is an apocalyptic number.

It is an amenable number.

20113304 is a deficient number, since it is larger than the sum of its proper divisors (17599156).

20113304 is a wasteful number, since it uses less digits than its factorization.

20113304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514169 (or 2514165 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20113304 is about 4484.7858365813. The cubic root of 20113304 is about 271.9533873412.

Adding to 20113304 its reverse (40331102), we get a palindrome (60444406).

The spelling of 20113304 in words is "twenty million, one hundred thirteen thousand, three hundred four".